Overview

overview

10

Static

static

6a0017262d...11.exe

windows7-x64

10

6a0017262d...11.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-01-2023 10:49

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General

  • Target

    6a0017262def9565b504d04318c59f55bea136ac3dd48862d1ae90ff6b963811.exe

  • Size

    92KB

  • MD5

    9220abc8a4ead7e58bc51c54d1c8343b

  • SHA1

    9a9c96e8d20137c0fc05e47a51f4b05383c9b08d

  • SHA256

    6a0017262def9565b504d04318c59f55bea136ac3dd48862d1ae90ff6b963811

  • SHA512

    e139809bf7f69adf3af6a61101752e3b5ca46fcd125230b6eef7b8a10b15dce8f42d31cdadbca3f27eb25681978aa7d81e04c76ea827b67af6df361c777a1768

  • SSDEEP

    1536:mBwl+KXpsqN5vlwWYyhY9S4AkVPzt8y0huqDUbubf4QJX/HthECaj6:Qw+asqN5aW/hLuJzbsuqDJ4QJ/to

Score
10/10
dharmapersistenceransomwarespywarestealer

Malware Config

Extracted

Path

C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta

Ransom Note
All your files have been encrypted! Don't worry, you can return all your files! If you want to restore them, write to the mail: buhelper@proton.me : dong@techmail.info YOUR ID dong@airmail.cc Free decryption as guarantee Before paying you can send us up to 3 files for free decryption. The total size of files must be less than 3Mb (non archived), and files should not contain valuable information. (databases,backups, large excel sheets, etc.) How to obtain Bitcoins The easiest way to buy bitcoins is LocalBitcoins site. You have to register, click 'Buy bitcoins', and select the seller by payment method and price. https://localbitcoins.com/buy_bitcoins Also you can find other places to buy Bitcoins and beginners guide here: http://www.coindesk.com/information/how-can-i-buy-bitcoins/ Attention! Do not rename encrypted files. Do not try to decrypt your data using third party software, it may cause permanent data loss. Decryption of your files with the help of third parties may cause increased price (they add their fee to our) or you can become a victim of a scam.
Emails

buhelper@proton.me

dong@techmail.info

dong@airmail.cc

Signatures

  • Dharma

    Dharma is a ransomware that uses security software installation to hide malicious activities.

    ransomwaredharma
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Modifies extensions of user files 2 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 5 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Adds Run key to start application 2 TTPs 3 IoCs
    persistence
  • Drops desktop.ini file(s) 64 IoCs
  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Interacts with shadow copies 2 TTPs 2 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

    ransomware
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6a0017262def9565b504d04318c59f55bea136ac3dd48862d1ae90ff6b963811.exe
    "C:\Users\Admin\AppData\Local\Temp\6a0017262def9565b504d04318c59f55bea136ac3dd48862d1ae90ff6b963811.exe"
    1⤵
    • Modifies extensions of user files
    • Checks computer location settings
    • Drops startup file
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4160
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1984
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:1924
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:3320
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3888
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:2224
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:2608
        • C:\Windows\System32\mshta.exe
          "C:\Windows\System32\mshta.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
          2⤵
            PID:4224
          • C:\Windows\System32\mshta.exe
            "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
            2⤵
              PID:1964
          • C:\Windows\system32\vssvc.exe
            C:\Windows\system32\vssvc.exe
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:2660

          Network

          MITRE ATT&CK Matrix ATT&CK v6

          Initial Access

          Execution

          Persistence

          Registry Run Keys / Startup Folder

          1
          T1060

          Privilege Escalation

          Defense Evasion

          File Deletion

          2
          T1107

          Modify Registry

          1
          T1112

          Credential Access

          Credentials in Files

          1
          T1081

          Discovery

          Query Registry

          1
          T1012

          System Information Discovery

          2
          T1082

          Lateral Movement

          Collection

          Data from Local System

          1
          T1005

          Exfiltration

          Command and Control

          Impact

          Inhibit System Recovery

          2
          T1490

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta
            Filesize

            4KB

            MD5

            a469225593a256881f46b9706d139044

            SHA1

            3d7d0b138c7358ce499c60a83fa3a098ca15905d

            SHA256

            e6e9e56de653188e7ae8dcf9b3348172c203afa013c44e49bf5081046eef9026

            SHA512

            979af32d143136996aa48dc6aafb5826fdf8d3d67d5a46411140d42ef791f371cef18e844b60ec7636858488267ddfbc50cd91c0fe13d4d02daf5eba3f92bb02

            Download Submit
          • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta
            Filesize

            4KB

            MD5

            a469225593a256881f46b9706d139044

            SHA1

            3d7d0b138c7358ce499c60a83fa3a098ca15905d

            SHA256

            e6e9e56de653188e7ae8dcf9b3348172c203afa013c44e49bf5081046eef9026

            SHA512

            979af32d143136996aa48dc6aafb5826fdf8d3d67d5a46411140d42ef791f371cef18e844b60ec7636858488267ddfbc50cd91c0fe13d4d02daf5eba3f92bb02

            Download Submit
          • memory/1924-133-0x0000000000000000-mapping.dmp
            Download
          • memory/1964-139-0x0000000000000000-mapping.dmp
            Download
          • memory/1984-132-0x0000000000000000-mapping.dmp
            Download
          • memory/2224-136-0x0000000000000000-mapping.dmp
            Download
          • memory/2608-137-0x0000000000000000-mapping.dmp
            Download
          • memory/3320-134-0x0000000000000000-mapping.dmp
            Download
          • memory/3888-135-0x0000000000000000-mapping.dmp
            Download
          • memory/4224-138-0x0000000000000000-mapping.dmp
            Download